Home / 39,479.10-54,484.40-22,488.66

Finding the Fourth Proportional to 39,479.10, 54,484.40 and 22,488.66

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Solution

The fourth proportional to 39,479.10, 54,484.40 and 22,488.66 is: 31,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479.10 : 54,484.40 = 22,488.66 : x
  2. Step 2: Convert to fraction form
    39,479.10/54,484.40 = 22,488.66/x
  3. Step 3: Cross multiply
    39,479.10x = 54,484.40 × 22,488.66
  4. Step 4: Simplify right side
    39,479.10x = 1,225,281,076.63
  5. Step 5: Solve for x
    x = 1,225,281,076.63/39,479.10
  6. Step 6: Final answer
    x = 31,036.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.